1. Department of Pathology; Memorial Sloan Kettering Cancer Center; New York NY USA
2. Department of Pathology; University of Ferrara; Ferrara Italy
3. Department of Pathology; Bacs-Kiskun County Teaching Hospital; Kecskemet Hungary
4. Department of Pathology; Albert Szent-Gyorgyi Medical Center; University of Szeged; Szeged Hungary
5. Department of Pathology; University of Nottingham; Nottingham UK
6. Department Biomedical and Neuromotor Sciences; Section of Anatomic Pathology; University of Bologna; Bologna Italy